Remove dupe link

Author: nicktimko

index.html

@@ -213,7 +213,6 @@ <h2 style="text-align:center;">Currently in use at</h2>
                     <a href="http://www.northwestern.edu/"><li class="col"><img src="assets/northwestern.svg" class="greydout" alt="Northwestern University" height="70" width="133"></li></a>
                     <a href="http://www.nyu.edu"><li class="col"><img src="assets/NYU.svg" class="greydout" alt="NYU" height="60" width="133"></li></a>
                     <!--<a href="http://www.columbia.edu"><li class="col"><img src="assets/columbia.svg" class="greydout" alt="Columbia" height="60" width="207"></li></a>-->
-                    <a href="http://www.northwestern.edu/"><li class="col"><img src="assets/northwestern.svg" class="greydout" alt="Northwestern University" height="70" width="133"></li></a>
                 </ul>
             </div>
         </div>